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SchneiderCVE-2020-28212

HistoryNov 19, 2020 - 10:15 p.m.

CVE-2020-28212

2020-11-1922:15:13

CWE-307

schneider

web.nvd.nist.gov

cve-2020-28212

ecostruxure control expert

unity pro

cwe-307

plc simulator

modbus

brute force attack

unauthorized command execution

nvd

CVSS2

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:L/Au:N/C:P/I:P/A:P

CVSS3

9.8

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

AI Score

9.5

Confidence

High

EPSS

0.004

Percentile

72.3%

JSON

A CWE-307: Improper Restriction of Excessive Authentication Attempts vulnerability exists in PLC Simulator on EcoStruxureª Control Expert (now Unity Pro) (all versions) that could cause unauthorized command execution when a brute force attack is done over Modbus.

Affected configurations

Nvd

Node

schneider-electricecostruxure_control_expert

VendorProductVersionCPE
schneider-electricecostruxure_control_expert*cpe:2.3:a:schneider-electric:ecostruxure_control_expert:*:*:*:*:*:*:*:*

Vendor	Product	Version	CPE
schneider-electric	ecostruxure_control_expert	*	cpe:2.3:a:schneider-electric:ecostruxure_control_expert::::::::

CNA Affected

[
  {
    "product": "PLC Simulator on EcoStruxureª Control Expert (now Unity Pro) (all versions) ",
    "vendor": "n/a",
    "versions": [
      {
        "status": "affected",
        "version": "PLC Simulator on EcoStruxureª Control Expert (now Unity Pro) (all versions)"
      }
    ]
  }
]

References

www.se.com/ww/en/download/document/SEVD-2020-315-07

Social References

CVSS2

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:L/Au:N/C:P/I:P/A:P

CVSS3

9.8

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

AI Score

9.5

Confidence

High

EPSS

0.004

Percentile

72.3%

JSON

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